Average Co-Inventor Count = 1.00
ph-index = NA
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Nippo Sangyo Co., Ltd. (3 patents)
2. Dorokogyo Co., Ltd. (1 patent)
3. Kumataka Engineering, Inc. (0 patent)
0 patent: